Pressing space when watching a video on Youtube will always pause the video instead of functioning like Page Down key.
目前為
// ==UserScript==
// @name Youtube Space=Pause
// @namespace s4nji
// @author s4nji
// @description Pressing space when watching a video on Youtube will always pause the video instead of functioning like Page Down key.
// @license CC0
// @include https://www.youtube.com/watch*
// @version 1
// @grant none
// ==/UserScript==
/* - - - - - - - - - *\
* Utility Functions *
\* - - - - - - - - - */
function contentEval(source) {
// Check for function input.
if ('function' == typeof source) {
// Execute this function with no arguments, by adding parentheses.
// One set around the function, required for valid syntax, and a
// second empty set calls the surrounded function.
source = '(' + source + ')();'
}
// Create a script node holding this source code.
var script = document.createElement('script');
script.setAttribute("type", "application/javascript");
script.textContent = source;
// Insert the script node into the page, so it will run, and immediately
// remove it to clean up.
document.body.appendChild(script);
document.body.removeChild(script);
}
/* - - - - - - - *\
* Main Function *
\* - - - - - - - */
function main() {
document.body.addEventListener('keydown', function(event) {
if (event.keyCode == 32) {
event.preventDefault();
var status = document.getElementById("movie_player").getPlayerState();
if ( status == 1 || status == 3 ) {
contentEval('document.getElementById("movie_player").pauseVideo();');
} else if ( status == 2 || status == 0 ) {
contentEval('document.getElementById("movie_player").playVideo();');
}
// N/A (-4), unstarted (-1), ended (0), playing (1), paused (2), buffering (3), video cued (5).
}
});
}
// Start on load
window.onload = main();